Scheurer_F, you had partially solved my problem. Power supply pins on the XG31 and XG33 were not connected and after I wired them up the Safex was able to switch on RUN state. Unfortunately I'm still having the same error message in ctrlX Core. With I/O engineering I have problems to add "Master-to-Master Communication" and "Functional Inputs/Outputs" modules under the Safex_C15 (see picture). Also there is a lot of devices which are not found in the database. I have no FSoE slaves connected and "FSOE slaves" property is set to False in Safety Engineering.
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